Question

Write an equation and solve. Round to the nearest hundredth where necessary.

70 is 8% of what number?

A. 0.08 = 70 • x; 595

B. 70 = 0.08 • x; 875

C. x = 70 • 0.08; 5.6

D. 70 = 0.08 • x; 910

Answer 1

The answer to your question is letter B. 70 = 0.08x; 875

Explanation:

Data

70 is 8% of n

Process

1.- Let n be the number we are looking for

2.- Use to proportions to solve this problem

n ----------------------- 100%

70 ------------------------ 8 %

3.- Use cross multiplication to find n

100(70) = 8n

4.- Solve for 70

70 = 8n/100

5.- Simplify

70 = 0.08n Equation

6.- Solve for n

n = 70/0.08

n = 875 number